Equipped with two hard drives, the NAS is doing his service. Although there is no hibernation - for access to the hard drives Depending on the system is faster. The operating sound is talking to the chosen Western Digital 1TB Red WD10EFRX within tolerable limits. Data is backed up to a USB drive on a schedule. Since you can not forget anything! Who replaced the USB hard disk rotational basis comes to a pretty safe and affordable NAS solution. The interface is not the fastest, but it is indeed hardly needed, so I felt not as disturbing.